/*********************************
***  2009/05/04 - Pointblank   ***
**********************************/


/*
CONFIGURATION:
  displayTime = seconds to diplay each div
  useFading: true to use fading, otherwise false
*/

var displayTime = 8;
var useFading = true;




/* CODE BELOW - NOTHING TO CONFIGURE */
window.addEventListener?window.addEventListener('load',init,false):window.attachEvent('onload',init);

var rotators = Array();
var current = 0;
var fadeDuration = 1000;
  
function init()
{
  var rotatorDivs = getElementsByClassName('rotator', 'div');
  
  rotators = new Array(rotatorDivs.length);

  for(i=0; i<rotatorDivs.length; i++)
  {
    rotators[i] = new Array(3);
    rotators[i][0] = rotatorDivs[i]; //Rotator div
    rotators[i][1] = rotators[i][0].getElementsByTagName('div'); //Divs to rotate
    rotators[i][2] = 0; //Currently displayed div
  
    /*
    for(a=1; a<rotators[i][1].length; a++) //Start by 1, to keep the first element visible
    {
      rotators[i][1][a].style.display = "none";
    }*/
	
	rotators[i][1][0].style.display = "block";
	
	
  }
  
  setTimeout(displayNext, displayTime*1000);
}

function displayNext()
{ 
  for(i = 0; i<rotators.length; i++)
  {
    if(useFading)
    {
      $(rotators[i][1][rotators[i][2]]).fade();
    }
    else
    {
      $(rotators[i][1][rotators[i][2]]).style.display = "none";
    }
    
    rotators[i][2] += 1;
    if(rotators[i][1].length <= rotators[i][2])
    {
      rotators[i][2] = 0;
    }
  }
  
  if(useFading)
  {
    setTimeout(fadeIn, fadeDuration);  
  }
  else
  {
    setTimeout(fadeIn, 1);  
  }
  
}

function fadeIn()
{
  for(i = 0; i<rotators.length; i++)
  {
    if(useFading)
    {
      $(rotators[i][1][rotators[i][2]]).appear();
    }
    else
    {
      $(rotators[i][1][rotators[i][2]]).style.display = "block";
    }
  }
  
  setTimeout(displayNext, displayTime*1000);  
}



/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};